172116171106 has 32 divisors (see below), whose sum is σ = 284564871360. Its totient is φ = 77424168000.

The previous prime is 172116171091. The next prime is 172116171127. The reversal of 172116171106 is 601171611271.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113825 + ... + 5147371.

It is an arithmetic number, because the mean of its divisors is an integer number (8892652230).

Almost surely, 2^172116171106 is an apocalyptic number.

172116171106 is a deficient number, since it is larger than the sum of its proper divisors (112448700254).

172116171106 is a wasteful number, since it uses less digits than its factorization.

172116171106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35970.

The product of its (nonzero) digits is 3528, while the sum is 34.

Adding to 172116171106 its reverse (601171611271), we get a palindrome (773287782377).

The spelling of 172116171106 in words is "one hundred seventy-two billion, one hundred sixteen million, one hundred seventy-one thousand, one hundred six".